diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 169 |
1 files changed, 158 insertions, 11 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index aa3d6277581d..40cf0f4f327f 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -96,6 +96,61 @@ lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); } +static ssize_t +lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + + if (phba->cfg_enable_bg) + if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) + return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); + else + return snprintf(buf, PAGE_SIZE, + "BlockGuard Not Supported\n"); + else + return snprintf(buf, PAGE_SIZE, + "BlockGuard Disabled\n"); +} + +static ssize_t +lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + + return snprintf(buf, PAGE_SIZE, "%llu\n", + (unsigned long long)phba->bg_guard_err_cnt); +} + +static ssize_t +lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + + return snprintf(buf, PAGE_SIZE, "%llu\n", + (unsigned long long)phba->bg_apptag_err_cnt); +} + +static ssize_t +lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + + return snprintf(buf, PAGE_SIZE, "%llu\n", + (unsigned long long)phba->bg_reftag_err_cnt); +} + /** * lpfc_info_show: Return some pci info about the host in ascii. * @dev: class converted to a Scsi_host structure. @@ -1485,6 +1540,10 @@ lpfc_vport_param_store(name)\ static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ lpfc_##name##_show, lpfc_##name##_store) +static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); +static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); +static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); +static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); @@ -1970,6 +2029,7 @@ static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, # LOG_LINK_EVENT 0x10 Link events # LOG_FCP 0x40 FCP traffic history # LOG_NODE 0x80 Node table events +# LOG_BG 0x200 BlockBuard events # LOG_MISC 0x400 Miscellaneous events # LOG_SLI 0x800 SLI events # LOG_FCP_ERROR 0x1000 Only log FCP errors @@ -2769,6 +2829,42 @@ LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); /* +# lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) +# 0 = BlockGuard disabled (default) +# 1 = BlockGuard enabled +# Value range is [0,1]. Default value is 0. +*/ +LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); + + +/* +# lpfc_prot_mask: i +# - Bit mask of host protection capabilities used to register with the +# SCSI mid-layer +# - Only meaningful if BG is turned on (lpfc_enable_bg=1). +# - Allows you to ultimately specify which profiles to use +# - Default will result in registering capabilities for all profiles. +# +*/ +unsigned int lpfc_prot_mask = SHOST_DIX_TYPE0_PROTECTION; + +module_param(lpfc_prot_mask, uint, 0); +MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); + +/* +# lpfc_prot_guard: i +# - Bit mask of protection guard types to register with the SCSI mid-layer +# - Guard types are currently either 1) IP checksum 2) T10-DIF CRC +# - Allows you to ultimately specify which profiles to use +# - Default will result in registering capabilities for all guard types +# +*/ +unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; +module_param(lpfc_prot_guard, byte, 0); +MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); + + +/* * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count * This value can be set to values between 64 and 256. The default value is * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer @@ -2777,7 +2873,15 @@ LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); +LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, + LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, + "Max Protection Scatter Gather Segment Count"); + struct device_attribute *lpfc_hba_attrs[] = { + &dev_attr_bg_info, + &dev_attr_bg_guard_err, + &dev_attr_bg_apptag_err, + &dev_attr_bg_reftag_err, &dev_attr_info, &dev_attr_serialnum, &dev_attr_modeldesc, @@ -2825,6 +2929,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_poll, &dev_attr_lpfc_poll_tmo, &dev_attr_lpfc_use_msi, + &dev_attr_lpfc_enable_bg, &dev_attr_lpfc_soft_wwnn, &dev_attr_lpfc_soft_wwpn, &dev_attr_lpfc_soft_wwn_enable, @@ -2833,6 +2938,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_sg_seg_cnt, &dev_attr_lpfc_max_scsicmpl_time, &dev_attr_lpfc_stat_data_ctrl, + &dev_attr_lpfc_prot_sg_seg_cnt, NULL, }; @@ -3282,25 +3388,28 @@ lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) int error; error = sysfs_create_bin_file(&shost->shost_dev.kobj, - &sysfs_ctlreg_attr); - if (error) + &sysfs_drvr_stat_data_attr); + + /* Virtual ports do not need ctrl_reg and mbox */ + if (error || vport->port_type == LPFC_NPIV_PORT) goto out; error = sysfs_create_bin_file(&shost->shost_dev.kobj, - &sysfs_mbox_attr); + &sysfs_ctlreg_attr); if (error) - goto out_remove_ctlreg_attr; + goto out_remove_stat_attr; error = sysfs_create_bin_file(&shost->shost_dev.kobj, - &sysfs_drvr_stat_data_attr); + &sysfs_mbox_attr); if (error) - goto out_remove_mbox_attr; + goto out_remove_ctlreg_attr; return 0; -out_remove_mbox_attr: - sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); out_remove_ctlreg_attr: sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); +out_remove_stat_attr: + sysfs_remove_bin_file(&shost->shost_dev.kobj, + &sysfs_drvr_stat_data_attr); out: return error; } @@ -3315,6 +3424,9 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) struct Scsi_Host *shost = lpfc_shost_from_vport(vport); sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_drvr_stat_data_attr); + /* Virtual ports do not need ctrl_reg and mbox */ + if (vport->port_type == LPFC_NPIV_PORT) + return; sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); } @@ -3792,6 +3904,23 @@ lpfc_show_rport_##field (struct device *dev, \ lpfc_rport_show_function(field, format_string, sz, ) \ static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) +/** + * lpfc_set_vport_symbolic_name: Set the vport's symbolic name. + * @fc_vport: The fc_vport who's symbolic name has been changed. + * + * Description: + * This function is called by the transport after the @fc_vport's symbolic name + * has been changed. This function re-registers the symbolic name with the + * switch to propogate the change into the fabric if the vport is active. + **/ +static void +lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) +{ + struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; + + if (vport->port_state == LPFC_VPORT_READY) + lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); +} struct fc_function_template lpfc_transport_functions = { /* fixed attributes the driver supports */ @@ -3801,6 +3930,7 @@ struct fc_function_template lpfc_transport_functions = { .show_host_supported_fc4s = 1, .show_host_supported_speeds = 1, .show_host_maxframe_size = 1, + .show_host_symbolic_name = 1, /* dynamic attributes the driver supports */ .get_host_port_id = lpfc_get_host_port_id, @@ -3850,6 +3980,10 @@ struct fc_function_template lpfc_transport_functions = { .terminate_rport_io = lpfc_terminate_rport_io, .dd_fcvport_size = sizeof(struct lpfc_vport *), + + .vport_disable = lpfc_vport_disable, + + .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, }; struct fc_function_template lpfc_vport_transport_functions = { @@ -3860,6 +3994,7 @@ struct fc_function_template lpfc_vport_transport_functions = { .show_host_supported_fc4s = 1, .show_host_supported_speeds = 1, .show_host_maxframe_size = 1, + .show_host_symbolic_name = 1, /* dynamic attributes the driver supports */ .get_host_port_id = lpfc_get_host_port_id, @@ -3908,6 +4043,8 @@ struct fc_function_template lpfc_vport_transport_functions = { .terminate_rport_io = lpfc_terminate_rport_io, .vport_disable = lpfc_vport_disable, + + .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, }; /** @@ -3930,13 +4067,12 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_use_msi_init(phba, lpfc_use_msi); lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); + lpfc_enable_bg_init(phba, lpfc_enable_bg); phba->cfg_poll = lpfc_poll; phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); - /* Also reinitialize the host templates with new values. */ - lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; - lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); /* * Since the sg_tablesize is module parameter, the sg_dma_buf_size * used to create the sg_dma_buf_pool must be dynamically calculated. @@ -3945,6 +4081,17 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); + + if (phba->cfg_enable_bg) { + phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT; + phba->cfg_sg_dma_buf_size += + phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64); + } + + /* Also reinitialize the host templates with new values. */ + lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); return; } |